#151B75#151B75

#151B75 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.5% C 0.149 H 270.1°. Best body text is #FFFFFF at 14.53:1 contrast (WCAG AA passes).

Color values

HEX	#151B75
RGB	rgb(21, 27, 117)
HSL	hsl(236, 70%, 27%)
HSV	hsv(236, 82%, 46%)
CMYK	cmyk(82.1%, 76.9%, 0%, 54.1%)
CIE-LAB	lab(16.64, 31.94, -51.53)
CIE-LCH	lch(16.64, 60.63, 301.79°)
OKLab	oklab(29.47% 0.0004 -0.1492)
OKLCH	oklch(29.47% 0.149 270.1)
XYZ	xyz(3.9110, 2.2272, 17.0499)
Luminance	0.0223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151B75 #756F15

analogous

#154B75 #151B75 #3F1575

triadic

#151B75 #75151B #1B7515

tetradic

#151B75 #75154B #756F15 #15753F

square

#151B75 #75154B #756F15 #15753F

split-complementary

#151B75 #753F15 #4B7515

monochromatic

#05061A #0C0F41 #151B75 #1E27A9 #2B36D9

Accessibility & contrast

On white

14.53

#151B75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#151B75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151B75

14.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151B75	#FFFFFF	#000000	##FFFFFF
##151B75	1.00	14.53	1.45	14.53
#FFFFFF	14.53	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E78

Deuteranopia (green-blind)

#002473

Tritanopia (blue-blind)

#003546

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #151b75;
/* rgb */ color: rgb(21, 27, 117);
/* oklch */ color: oklch(29.5% 0.149 270.1);

Tailwind

colors: {
  custom: {
    50: '#66589e',
    500: '#151b75',
    950: '#000000',
  },
}

SCSS

$custom: #151b75;
$custom-light: #66589e;
$custom-dark: #000000;

JSON

{
  "hex": "#151b75",
  "rgb": {
    "r": 21,
    "g": 27,
    "b": 117
  },
  "hsl": {
    "h": 236.25,
    "s": 69.565,
    "l": 27.059
  },
  "oklch": {
    "l": 0.29472,
    "c": 0.14925,
    "h": 270.1
  },
  "luminance": 0.02228
}

Semantic roles & 50–950 ramp

primary

#151B75

secondary

#ABA43B

accent

#E13BEC

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #151B75

Body copy rendered with the generated semantic roles for this colour.

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